A mysterious card-playing squirrel offers you the opportunity to join in his game. The rules are: To play you must pay him $16. If you pick a spade from a shuffled pack, you win $43. Find the expected value you win (or lose) per game. please help me

The table shows the results of a survey on students favorite kind of movie. select the appropriate values to complete the model to find the fraction of students that prefer comedy or action movie.

If twice a number is at least three less than four times the number, which of the following are true? let n represent the number.

Agroup of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?